In the Marvel Cinematic Universe, J.A.R.V.I.S. was Tony Stark's A.I. computer system. Jarvis was named for the Stark family's butler, Edwin Jarvis, but was also shorthand for "Just A Rather Very Intelligent System". In the Marvel Comics, Edwin Jarvis was retired, but still worked with the Avengers.
In Tron, Jarvis was a program who was an officer in Clu 2's regime.
In Star Trek, Crewman Jarvis was a member of the crew of the U.S.S. Voyager.
Nina Jarvis was a character in the television series, The 4400. She was temporarily the director of NTAC (National Threat Assessment Command).
In Mathematics, the Gift wrapping algorithim is also known as the Jarvis algorithim, after R. A. Jarvis.
Gregory Jarvis was a U.S. astronaut that was killed when the Space Shuttle Challenger exploded. There is an asteroid, 3353 Jarvis, and a rocket design called Jarvis that were both named in his honor.
Jarvis is a variant of the French name Gervaise. It's been in and out of the Top 1,000 names from 1902-2007. It's highest rank was in 1988 when it was #347. In 2014, it was given to 153 boys.